Answer:
40% number of calories have increased
Step-by-step explanation:
Old Value ( Calories consume before) = 2000
New Value (increase in Calories consumed) = 2800
We need to find by what percent did the number of calories increase
To find percent increase, the formula used is:

Putting values in formula and finding percent increase

So, 40% number of calories have increased
Answer:
D
Step-by-step explanation:
Answer:
answer is A
Step-by-step explanation:
hope that helps
Answer:
B
Step-by-step explanation:
below 0 is negative
so -15